Siemens Hicom 118 Manuel D’Utilisation

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Call Back (Internal only)
This feature allows you to activate a Call Back on an extension if it is busy or
if there is no reply
WHAT YOU HAVE TO DO
WHAT HAPPENS
Call Back (Busy)
Depress busy Ext. Key
18
set call back?
>
Depress CALL BACK Key
call back set
>
When required Ext. is free
Switchboard rings
call back:23
>
Lift handset 
23
 send message?
>
Extension you require is now ringing
Ring Back (No answer)
Same as above except
Depress Idle Ext. Key
Ring tone is heard
When user returns to his office and either makes a call or receives a call the
feature is activated.